<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id='app'>
        <ul>
            <!-- v-for 循环遍历数组并渲染 -->
            <li v-for="item in booksList" :key="item.id">
                <span>{{item.id}}</span>
                <span>{{item.name}}</span>
                <!-- 注册点击事件删除 -->
                <button @click="del(item.id)">删除</button>
            </li>
        </ul>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script>
        const app = new Vue({
        el: '#app',
        data: {
            booksList: [
              { id: 1, name: '《红楼梦》', author: '曹雪芹' },
              { id: 2, name: '《西游记》', author: '吴承恩' },
              { id: 3, name: '《水浒传》', author: '施耐庵' },
              { id: 4, name: '《三国演义》', author: '罗贯中' }
            ]
        },
        methods:{
            del(id){
                
                this.booksList = this.booksList.filter(item => item.id != id)
            }
        }
        })
    </script>
</body>
</html>